nginx跨網域設定 nginx apache nginx php nginx rewrite

• 在做一個項目的時候，採用了前後端分離的結構設計，後台設計的rest風格的http介面既需要滿足後台服務調用，也需要滿足前端直接採用ajax調用，於是碰到了跨域問題， 後台採用的是spring mvc結構， HTTP方法支援get、post、put、delete、option等方法，由於在post調用的時候，前端http會先採用option到伺服器端，204了之後再提交請求資料，除了在nginx層面做調整之外，spring web.xml也需要設定下， 這種方案不需要在服務端增加filter之類的東西，得到的可行的版本如下:

• spring web.xml

<servlet><servlet-name>root</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext-web.xml</param-value></init-param><init-param><param-name>dispatchOptionsRequest</param-name><param-value>true</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>root</servlet-name><url-pattern>/</url-pattern></servlet-mapping>

• nginx.conf 有些地方比較羅嗦

location ~/api/* {            dav_methods PUT DELETE;            if ($request_method = 'OPTIONS') {                add_header 'Access-Control-Allow-Origin' '$http_origin';                add_header 'Access-Control-Allow-Methods' 'GET, POST,PUT,DELETE, OPTIONS';                add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,                User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';                add_header 'Access-Control-Max-Age' 3600;                add_header 'Content-Type' 'text/plain charset=UTF-8';                add_header 'Content-Length' 0;                return 204;            }            if ($request_method = 'POST') {                add_header 'Access-Control-Allow-Origin' '$http_origin';                add_header 'Access-Control-Allow-Methods' 'GET, POST,PUT,DELETE, OPTIONS';                add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,                User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';            }            if ($request_method = 'GET') {                add_header 'Access-Control-Allow-Origin' '$http_origin';                add_header 'Access-Control-Allow-Methods' 'GET, POST,DELETE,PUT, OPTIONS';                add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,                User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';            }      if ($request_method = 'PUT') {                add_header 'Access-Control-Allow-Origin' '$http_origin';                add_header 'Access-Control-Allow-Methods' 'GET, POST,PUT,DELETE, OPTIONS';                add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,                User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';            }            if ($request_method = 'DELETE') {                add_header 'Access-Control-Allow-Origin' '$http_origin';                add_header 'Access-Control-Allow-Methods' 'GET, POST,DELETE,PUT, OPTIONS';                add_header 'Access-Control-Allow-Headers' 'Authorization,DNT,X-CustomHeader,Keep-Alive,                User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';            }            root /opt/www/web/;            index index.jsp;            proxy_pass <a rel="nofollow" href="http://localhost.html" target="_blank">            <a rel="nofollow" href="http://localhost" target="_blank">http://localhost</a></a>:8089;            include /opt/conf/nginx/proxy.conf;        }

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